Virtual LPT1 port

Hawking tech. Parallel/serial adapter
June 20, 2011 at 11:54:21
Specs: Windows 7 x64
I have the same problem described here

I want to connect a "USB to Parallel cable" to my notebook and then use software to send data to the parallel pins to make some motors move (via a special circuit that uses the parallel port's data pins).

The problem is that in device manager the cable appears as "USB printing support" instead of "LPT1"

Is there any solution? I don't want to use another cable or converter. Is there any software/driver solution to this problem??


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June 20, 2011 at 14:43:12
I'd think that you do have some lpt but I doubt it would be lpt1. More likely a higher number.

I'd try to connect it to an old parallel printer and try some old commands to put some data on it.
Could check it with a scope I guess too.

What is under ports?

There have been more than a few of those devices that either software or hardware are flakey. Get one that is labeled as a parallel port not a printer device maybe??

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June 20, 2011 at 20:00:01
The current trend is to use a USB to serial adapter with its own bios loader. The only other method I can think is to send characters that will toggle the desired bits.

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